package com.leedsoft.common;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;

/**
 * Created by leeds on 2017/6/20.
 */
@Component
public class SpringContextHolder implements ApplicationContextAware{
    private static ApplicationContext context;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        context = applicationContext;
    }

    public static <T> T getBean(Class<T> cls) {
        Assert.notNull(context, "spring 容器尚未初始化");
        return context.getBean(cls);
    }
}
